Which type of relationship exists between the algae and fungi that form lichen

Mutualism type of relationship exists between the algae and fungi that form lichen.

Explanation:

In algae and fungi, Mutualism type of symbiosis is present. In Mutualism, both the organisms that is algae and fungi gets benefits from each other. Fungi absorb water and nutrients from the environment and supply these nutrients to the algae. Algae produce food materials and provide it to fungi.

•there must be variation for the particular trait within a population.

•the variation must be inheritable (that is, it must be capable of being passed on from the parents to their offspring).

•individuals with one version of the trait must produce more offspring than those with a different version of the trait.good

explanation: